Mitsubishi Heavy Industries FDTQ22KXE6F Technical Manual
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Mitsubishi Heavy Industries FDTQ22KXE6F Technical Manual

Vrf inverter multi-system air-conditioners
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TECHNICAL MANUAL
VRF INVERTER MULTI-SYSTEM
AIR-CONDITIONERS
(INDOOR UNIT)
Ceiling cassette-1 way compact type
FDTQ22KXE6F
28KXE6F
36KXE6F
Duct connected (thin)-Low static pressure type
FDUT15KXE6F-E
22KXE6F-E
28KXE6F-E
36KXE6F-E
45KXE6F-E
56KXE6F-E
Duct connected-Compact and flexible type
FDUH22KXE6F
28KXE6F
36KXE6F
Note:
•
(1) This document describes the indoor units with service code /F (with motion sensor system
function).
Manual No.'20 • KX-T-347

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Summary of Contents for Mitsubishi Heavy Industries FDTQ22KXE6F

  • Page 1 Manual No.'20 • KX-T-347 TECHNICAL MANUAL VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS (INDOOR UNIT) Ceiling cassette-1 way compact type FDTQ22KXE6F 28KXE6F 36KXE6F Duct connected (thin)-Low static pressure type FDUT15KXE6F-E 22KXE6F-E 28KXE6F-E 36KXE6F-E 45KXE6F-E 56KXE6F-E Duct connected-Compact and flexible type FDUH22KXE6F 28KXE6F 36KXE6F Note: •...
  • Page 2 '20 • KX-T-347 PREFACE Combination table for KX4 series and KX6 series ( ) Date of launching in the market Indoor unit Same or Connectable Same series Same series Same series Mixed series Mixed series Mixed series Mixed series Same series remote control Mixed series KXE4(A)

  • Page 3: Table Of Contents

    '20 • KX-T-347 CONTENTS       2 1. INFORMATION ....................2. SPECIFICATIONS ..................3. EXTERIOR DIMENSIONS ................3.1 Indoor units ........................ 3.2 Remote control (Option parts) ................4. ELECTRICAL WIRING .................. 5. NOISE LEVEL ......................6. CHARACTERISTICS OF FAN ................

  • Page 4: Information

    '20 • KX-T-347 1. INFORMATION Model description Example: FDTQ 28 KX E Series No. Application power source...See the specifications Multi KX series Nominal capacity (Nominal cooling capacity : 2.8kW) Model name Indoor unit : FDTQ, FDUT, FDUH (1) Table of indoor units panel (Option) Model Capacity Parts Model...
  • Page 5 '20 • KX-T-347 1.2 1.5kW-indoor units connection (1) 1.5kW-indoor unit Model FDUT15KXE6F-E (2) Compatibility with outdoor units Indoor unit Category FDUT15KXE6F-E Outdoor unit FDC112-155KXE6 FDC112-155KXZE1 FDC224-335KXE6 (service code A and there after) Heat pump FDC400-1360KXE6 (2 - Pipe) (service code F and there after) systems FDCR224-280KXE6 (Refresh) FDC224-280KXZPE1...

  • Page 6: Specifications

    '20 • KX-T-347 2. SPECIFICATIONS (1) Ceiling cassette-1 way compact type (FDTQ) Model FDTQ22KXE6F PJC001Z465...
  • Page 7 '20 • KX-T-347 Model FDTQ28KXE6F PJC001Z465...
  • Page 8 '20 • KX-T-347 Model FDTQ36KXE6F PJC001Z465...
  • Page 9 '20 • KX-T-347 (2) Duct connected (Thin) -Low static pressor type (FDUT) Models FDUT15KXE6F-E, 22KXE6F-E, 28KXE6F-E, 36KXE6F-E PJH000Z022...
  • Page 10 '20 • KX-T-347 Models FDUT45KXE6F-E, 56KXE6F-E PJH000Z022...
  • Page 11 '20 • KX-T-347 (3) Duct connected - Compact and flexible type (FDUH) Models FDUH22KXE6F, 28KXE6F, 36KXE6F PJC001Z468...

  • Page 12: Exterior Dimensions

    '20 • KX-T-347 3. EXTERIOR DIMENSIONS 3.1 Indoor unit (1) Ceiling cassette-1 way compact type (FDTQ) (a) Direct blow type Models FDTQ22KXE6F, 28KXE6F, 36KXE6F Direct blow panel (TQ-PSA-15W-E) PJC001Z276...
  • Page 13 '20 • KX-T-347 Models FDTQ22KXE6F, 28KXE6F, 36KXE6F Direct blow panel (TQ-PSB-15W-E) PJC001Z277...
  • Page 14 '20 • KX-T-347 (b) Duct type Models FDTQ22KXE6F, 28KXE6F, 36KXE6F Duct panel (QR-PNA-14W-ER) PJC001Z278...
  • Page 15 '20 • KX-T-347 Models FDTQ22KXE6F, 28KXE6F, 36KXE6F Duct panel (QR-PNB-14W-ER) PJC001Z279...
  • Page 16 '20 • KX-T-347 (2) Duct connected (thin)-Low static pressure type (FDUT) Models FDUT15KXE6F-E, 22KXE6F-E, 28KXE6F-E, 36KXE6F-E PJH000Z010...
  • Page 17 '20 • KX-T-347 Models FDUT45KXE6F-E, 56KXE6F-E PJH000Z011...
  • Page 18 '20 • KX-T-347 (3) Duct connected (Compact and flexible) type (FDUH) Models FDUH22KXE6F, 28KXE6F, 36KXE6F (a) Rear air return type PJC001Z283...
  • Page 19 '20 • KX-T-347 (b) Bottom suction type PJC001Z292...

  • Page 20: Remote Control (Option Parts)

    '20 • KX-T-347 3.2 Remote control (Option parts) (1) Wired remote control Model RC-EX3A Installation space Dimensions (Viewed from front) 30mm 30mm Wiring 配線 30mm 30mm 30mm 30mm Fixing holes 固定穴 R/C temperature sensor Secure minimum spaces for disassembling the case. Upper left and Upper right sides ……30mm or more Bottom side…120mm or more...
  • Page 21 '20 • KX-T-347 Model RC-E5 Wiring outlet Cut off the upper thin part of remote control lower case with a nipper or knife, Exposed mounting and grind burrs with a file etc. In case of pulling out In case of pulling out from upper left from center 0.3mm...
  • Page 22 '20 • KX-T-347 (2) Wireless remote control (RCN-E2) This remote control is an accessory of the wireless remote control kit. (Refer to 12.1 Wireless kit) Unit: mm...

  • Page 23: Electrical Wiring

    '20 • KX-T-347 4. ELECTRICAL WIRING (1) Ceiling cassette-1 way compact type (FDTQ) (a) Direct blow type All models PJC001Z466...
  • Page 24 '20 • KX-T-347 (b) Duct type All models PJC001Z467...
  • Page 25 '20 • KX-T-347 (2) Duct connected (thin)-Low static pressure type (FDUT) Models FDUT15KXE6F-E, 22KXE6F-E, 28KXE6F-E, 36KXE6F-E, 45KXE6F-E, 56KXE6F-E PJH000Z025...
  • Page 26 '20 • KX-T-347 (3) Duct connected(Compact and flexible) type (FDUH) All models PJC001Z469...

  • Page 27: Noise Level

    34 dB (A) at MEDIUM 34 dB (A) at MEDIUM 41 dB (A) at MEDIUM 31 dB (A) at LOW 31 dB (A) at LOW 37 dB (A) at LOW '20 • KX-T-347 5. NOISE LEVEL Note (1) The data are based on the following conditions. Ambient air tempetature: Indoor unit 27˚C DB, 19˚C WB.
  • Page 28 '20 • KX-T-347 1000 2000 4000 8000 1000 2000 4000 8000 1000 2000 4000 8000 Mid octave band frequency (Hz) Mid octave band frequency (Hz) Mid octave band frequency (Hz) (b) Mike position : 1m in front and 1m below of the ai r supply duct Unit Measured based on JIS B 8616 ANNEX3 (Duct setting) Mike position as right...

  • Page 29: Characteristics Of Fan

    '20 • KX-T-347 6. CHARACTERISTICS OF FAN (1) Ceiling cassette-1 way compact type (FDTQ) (Only when FDTQ22, 28 and 36 model are used for the duct panel) Models FDTQ22KXE6F,28KXE6F,36KXE6F Models FDTQ22KXE6F,28KXE6F,36KXE6F '12 • KX-DB-177 Air flow(m Air flow(m /min) /min)
  • Page 30 Air flow (m Air flow (m Air flow (m /min) /min) /min) '20 • KX-T-347 Model FDUT36KXE6F-E Model FDUT36KXE6F-E Model FDUT36KXE6F-E Model FDUT45KXE6F-E Model FDUT45KXE6F-E Model FDUT45KXE6F-E High static High static High static pressure setting pressure setting pressure setting High static High static High static pressure setting...
  • Page 31 '20 • KX-T-347 (3) Duct connected-Compact and flexible type (FDUH) Models FDUH22KXE6F,28KXE6F,36KXE6F Models FDUH22KXE6F,28KXE6F,36KXE6F Air flow (m Air flow (m /min) /min)

  • Page 32: Temperature And Velocity Distribution

    '20 • KX-T-347 7. TEMPERATURE AND VELOCITY DISTRIBUTION Indoor temperature Cooling 27°CDB/19°CWB, Heating 20°CDB 〔 Note 〕 These figures represent the typical main range of temperature and velocity distribution at the center of air outlet within the published conditions. In the actual installation, they may differ from the typical figures under the influence of air temperature conditions, ceiling height, operation conditions and obstacles. (1) Ceiling cassette-1 way compact type (FDTQ) Models FDTQ22, 28, 36KXE6F Cooling...

  • Page 33: Capacity Tables

    Otherwise protection control by low pressure will be activated much more frequently and it will cause insufficient capacity or breakdown of the compressor in worst case. (1) Ceiling cassette-1 way compact type (FDTQ) 1.7.1 Capacity tables FDTQ22KXE6F Heating mode Cooling mode (1) Twin type...
  • Page 34 '20 • KX-T-347 FDTQ28KXE6F Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature...
  • Page 35 '20 • KX-T-347 FDTQ36KXE6F Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature...
  • Page 36 '20 • KX-T-347 (2) Duct connected (thin)-Low static pressure type (FDUT) Cooling mode Heating mode (kW) Cooling mode (kW) Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature...
  • Page 37 '20 • KX-T-347 (kW) (kW) Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature...
  • Page 38 '20 • KX-T-347 (kW) (kW) Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature...
  • Page 39 '20 • KX-T-347 (kW) (kW) Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature...
  • Page 40 '20 • KX-T-347 (kW) (kW) Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature...
  • Page 41 '20 • KX-T-347 (kW) (kW) Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature...
  • Page 42 '20 • KX-T-347 (3) Duct connected (Compact and flexible) type (FDUH) FDUH22KXE6F Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB）...
  • Page 43 '20 • KX-T-347 FDUH28KXE6F Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature...
  • Page 44 '20 • KX-T-347 FDUH36KXE6F Cooling mode Heating mode Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature (ºCDB） Indoor air temperature Outdoor air Outdoor air Indoor air temperature temperature temperature...

  • Page 45: Application Data

    '20 • KX-T-347 9. APPLICATION DATA 9.1 Installation of indoor unit PJC012D316 ① (1) Ceiling cassette-1 way compact type (FDTQ) ● CAUTION This manual is for the installation of an indoor unit. ● For electrical wiring work (Indoor), refer to page 60. For remote control installation, refer to page 64. ●...
  • Page 46 '20 • KX-T-347 D316 ①Before installation ③Preparation before installation (continued) Install correctly according to the installation manual. ● Direct blow panel ● When moving the indoor unit, hold only ● Confirm the following points: the hanging hardware (4 places) only, with care not to apply forces to any other Unit type/Power source specification Short panel...
  • Page 47 '20 • KX-T-347 ⑥Refrigerant pipe ⑥Refrigerant pipe ④Installation of indoor unit (continued) ④Installation of indoor unit (continued) ⑦D ⑦D 6. Make sure to install the indoor unit horizontally. Confirm the 6. Make sure to install the indoor unit horizontally. Confirm the Caution Caution Work...
  • Page 48 '20 • KX-T-347 ⑦Drain pipe (continued) ⑦Drain pipe (continued) Work procedure 3. Unplug the drain plug on the indoor unit to remove remaining water on the drain pan after the test, and re-plug it. 1. Make sure to insert the drain hose (the end mode of soft PVC) to the end of the step part of oduct.
  • Page 49 '20 • KX-T-347 PJC012D118 PJC012D118 PANEL INSTALLATION MANUAL PJC012D118 PANEL INSTALLATION MANUAL Please read this manual together with installation manual of indoor unit. (a) Parts models : TQ-PSA-15W-E, TQ-PSB-15W-E Mount t Please read this manual together with installation manual of indoor unit. Warning Mount t ● Please perform electrical work after cutting off main power.
  • Page 50 012D118 '20 • KX-T-347 Mount the panel ① Attach 2 of 4 hanging bolts supplied with the panel on the indoor piping side and its ● diagonal position respectively, and tighten them gently for 5mm. ( marks) Mounting Air outlet location for panel ②...
  • Page 51 '20 • KX-T-347 INSTALLATION INSTRUCTIONS FOR PANEL (b) Parts models : QR-PNA-14W-ER, QR-PNB-14W-ER PJC012D102 ① Read with the installation instructions for the main body of the indoor unit. Stop the operation of air-conditione ② Select “ ” (Indoor U Warning ③...
  • Page 52 CTIONS FOR PANEL '20 • KX-T-347 ① Stop the operation of air-conditioner. Press (SET) button and (MODE) button for 3 seconds at the same time. Installation of indo ② Select “ ” (Indoor Unit Function) and press (SET) button. ③ Select “...
  • Page 53 PJC012D102 '20 • KX-T-347 n for 3 seconds at the same time. Installation of indoor unit Work procedure ① In case of installing on a ceiling other than 2 x 2 grid ceiling, prepare a ceiling hole with the size of 600mm x 740mm. ②...
  • Page 54 '20 • KX-T-347 (2) Duct connected (thin)-Low static pressure type (FDUT) This m PJH012D005 blow t ① This manual is for the installation of an indoor unit. CAUTION For electrical wiring work (Indoor), refer to page 60. For wired remote control installation, refer to page 64.
  • Page 55 '20 • KX-T-347 This model is low static ducted type air conditioning unit. Therefore, do not use this model for direct ② Selection of installation location for the indoor unit blow type air conditioning unit. ① Before installation Inspection opening (1) Inspection opening (2) Clamping of the flare of ●...
  • Page 56 '20 • KX-T-347 ④ Installation of indoor unit ⑥ Refrigerant pipe (continued) ⑦ Caution Adjustment for horizontality ●  Be sure to use new pipes for the refrigerant pipes. Use the flare nut attached to the product. Either use a level vial, or adjust the level according to the method below. 1.
  • Page 57 '20 • KX-T-347 ⑦ Drain pipe (continued) ⑦ Drain pipe (continued) Connecting port of top drain pipe Outline of bottom drain piping work Work procedure product. ● If the bottom drain piping can be 1. Insert the supplied drain hose (the end made of soft PVC) to the step of the drain socket on f the outdoor the indoor unit and fix it securely with the clamp.
  • Page 58 '20 • KX-T-347 (3) Duct connected (Compact and flexible) type (FDUH) PJC012D317 ①B This manual is for the installation of an indoor unit. For electrical wiring work (Indoor), refer to page 60. For remote control installation, refer to page 64. CAUTION ●Ins For wireless kit installation, refer to page 136.
  • Page 59 '20 • KX-T-347 D317 ①Before installation ③Preparation before installation (continued) ●Install correctly according to the installation manual. Ceiling opening, Suspension bolts pitch, Pipe position ●Confirm the following points:  ○Unit type/Power source specification ○Pipes/Wires/Small parts ○Accessory items Symbol Content Model FDUH22KXE6,28KXE6 FDUH36KXE6 Accessory item φ9.52 （...
  • Page 60 '20 • KX-T-347 ④Installation of indoor unit (continued) ⑤Duct work (continued) ⑦D ①If the suction duct is made in the ceiling without using the suction side duct, the temperature Caut 3. Make sure to install the indoor unit horizontally. Confirm the inside the ceiling will be high owing to the ventilating fan’s performance, the strength of any levelness of the indoor unit with a level gauge or transpar- ● In...
  • Page 61 '20 • KX-T-347 ⑦Drain pipe ⑧Wiring-out position and wiring connection ● Electrical installation work must be performed according to the installation manual by an electrical erature Caution installation service provider qualified by a power provider of the country, and be executed according of any ● Install the drain pipe according to the installation manual in order to drain properly.

  • Page 62: Electric Wiring Work Instruction

    '20 • KX-T-347 9.2 Electric wiring work instruction PSC012D118 ① Electrical wiring work must be performed by an electrician qualified by a local power provider according to For th the electrical installation technical standards and interior wiring regulations applicable to the installation site. ①...
  • Page 63 '20 • KX-T-347 AIR CON NO D118 ① Electrical Wiring Connection (continued) ③④ Operation and confirmation from remote control For the rated sensitivity current of leakage breaker, refer to the following equation and judgment method. Operation from the eco touch remote Operation from the standard remote AIR CON NO Item...
  • Page 64 '20 • KX-T-347 ⑥ Operation and setting from remote control ⑥ Op <Availability of setting/operation on standard remote controls> <Note of “eco-Touch Remote Control”> ○：Nearly same function setting and operations are possible. Blank column: Standard remote controls have not A : Refer to the instruction manual for RC-EX series C : Loading a utility software vie Internet Settin △：Similar function setting and opperations are possible.
  • Page 65 '20 • KX-T-347 ⑥ Operation and setting from remote control (continued) RC-EX RC-E Setting ＆ display item Description series series Temp increment setting The temp increment setting can be changed by 0.5˚C or 1.0˚C. Set temp display Ways of displaying setting temperatures can be selected. ries 2 Administrator settings R/C display setting...

  • Page 66: Installation Of Wired Remote Control (Option Parts)

    '20 • KX-T-347 9.3 Installation of wired remote control (Option parts) PJZ012A171 Model RC-EX3A   1 . Safety precautions ● s i h l a u y l l t r a g n i a t s t a l l n o i a t s t l l...
  • Page 67 '20 • KX-T-347 WARNING Do not install the unit in appropriate environment or where inflammable gas could generate, flow in, accumulate or leak. t f I s i t c a l s n i l i o , t s i v l o , r o corrosive gas (ammonium, sulfuric compound, acid, etc) or where acidic or alkaline...
  • Page 68 '20 • KX-T-347 CAUTION Do not install the remote control at following places. i t a r t n . l o ・Where it is exposed to direct sunlight ・Where the ambient temperature becomes 0 ° C or below, or 40 ° C or above ・...
  • Page 69 '20 • KX-T-347   2 . Accessories & Prepare on site Following parts are provided. Accessories R/C main unit, wood screw (φ3.5 x 16) 2 pcs., Quick reference Following parts are arranged at site. Prepare them according to the respective installation procedures. When the cable length is longer than 100 m, Item name Q’ty...
  • Page 70 '20 • KX-T-347   4 . Installation procedure Perform installation and wiring work for the remote control according to the PCB side (Viewed from rear) following procedure. Dimensions (Viewed from front) Fixing holes 固定穴 センサー 端子 Sensor USB port Terminal block To disassemble the R/C case into the upper and lower pieces after assembling them once ess at the lower part of...
  • Page 71 ブッ シング パテで シール する こ と '20 • KX-T-347 リ モコ ン配線 ③ r i w o r f s l a s l a t i n wires (X, Y) have no polarity. Fix wires such that the wires will run around the terminal screws on the top case of R/C.

  • Page 72: Run/Stop

    '20 • KX-T-347   5 . Main/Sub setting when more than one remote control are used ○: operable ×: not operable Up to two units of R/C can be used R/C operations Main Sub R/C operations Main Sub Service Installation Installation date ○...
  • Page 73 '20 • KX-T-347 PJA012D730 Installation manual for wired remote controller (2) Model RC-E5 Connect the remote cont terminal block. Connect the terminal of r Read together with indoor unit's installation manual. with the terminal of indoo WARNING (X and Y are no polarity) Wiring route is as shown Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the depending on the pulling...
  • Page 74 '20 • KX-T-347 ote controller Connect the remote control cord to the Sheath Sheath The range of temperature settin terminal block. When shipped, the range of set te Connect the terminal of remote control (X,Y) Upper case Upper case Board Board Heating : 16 ~ 30˚C (55 ~ 86˚F with the terminal of indoor unit (X,Y).
  • Page 75 '20 • KX-T-347 PJA012D730 Sheath The range of temperature setting When shipped, the range of set temperature differs depending on the operation mode as below. Upper case Board Heating : 16-30˚C (55-86˚F) Except heating (cooling, fan, dry, automatic) : 18-30˚C (62-86˚F) Upper limit and lower limit of set temperature can be changed with remote control.
  • Page 76 '20 • KX-T-347 The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote Note 1: The initial setting marked “ ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. control and indoor unit are connected.
  • Page 77 '20 • KX-T-347 PJA012D730 omatically defined as following table. Operation message How to set function ndoor unit. Function description: Function No. Stop air-conditioner and press (SET) (MODE) setting description: " mode buttons at the same time for over three seconds, and the ep of air flow setting "FUNCTION SET "...

  • Page 78: Outline Of Operation Control By Mycrocomputer

    '16 • PAC-T-251 '20 • KX-T-347 1.10 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 10. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 1.10.1 Remote control 10.1 Remote control (Option parts) Wired remote control (1) Wired remote control Model RC-EX3A Model RC-EX3A ⑤ LCD (with backlight) ③...

  • Page 79: Remote Control

    '20 • KX-T-347 '16 • PAC-T-251 '16 • PAC-T-251 Wired remote control Wired remote control Model RC-E5 Model RC-E5 The figure below shows the remote control with the cover opened. Note that all the items that may be displayed in The figure below shows the remote control with the cover opened.
  • Page 80 '16 • PAC-T-251 '20 • KX-T-347 Wireless remote control Models RCN-E2 Indication section ① OPERATION MODE display Indicates selected operation mode. SET TEMP display Indicates set temperature. SLEEP TIMER time display Indicates the amount of time remaining on the sleep timer. ①...

  • Page 81: Operation Control Function By The Wired Remote Control

    '16 • PAC-T-251 '20 • KX-T-347 1.10.2 Operation control function by the wired remote control 10.2 Operation control function by the wired remote control ●Model RC-EX3A (1) Switching sequence of the operation mode switches of remote control (a) Tap the change operation mode button on the TOP screen. (b) When the change operation mode screen is displayed, tap the button of desired mode.
  • Page 82 '16 • PAC-T-251 '20 • KX-T-347 ●Content memorized with the power failure compensation are as follows. Note(1) Items (f) and (g) are memorized regardless whether the power failure compensation is effective or not while the setting of silent mode is cancelled regardless whether the power failure compensation is effective or not.
  • Page 83 '20 • KX-T-347 ● Model RC-E5 Switching sequence of the operation mode switches of remote control COOL HEAT AUTO CPU reset This functions when “CHECK” and “ESP” buttons on the remote control are pressed simultaneously. Operation is same as that of the power source reset. Power failure compensation function (Electric power source failure) •...

  • Page 84: Operation Control Function By The Indoor Control

    '16 • PAC-T-251 '20 • KX-T-347 11.3 Operation control function by the indoor control 10.3 Operation control function by the indoor control (1) Auto operation (Heat recovery 3-pipe combination systems only) (a) If “Auto” mode is selected by the remote control, the heating and the cooling are automatically switched according to the difference between outdoor air temperature and setting temperature and the difference between setting temperature and return air temperature.

  • Page 85: Outdoor Unit

    '16 • PAC-T-251 '20 • KX-T-347 (ii) Regardless of the setting temperature, the cooling or heating operation mode is judged according to the "Judgment based on Room temperature/Cooling or Heating and Outdoor temperature/Cooling or Heating". 1) In case of "Room temperature/Cooling < Indoor return air temperature" and "Outdoor temperature/Cooling < Outdoor air tem perature"...
  • Page 86 '20 • KX-T-347 '16 • PAC-T-251 (4) Timer operation (a) RC-EX3A Sleep timer Set the time from the start to stop of operation. The time can be selected in the range from 30 to 240 minutes (in the unit of 10-minute). Note (1) Enable the “Sleep timer”...
  • Page 87 '20 • KX-T-347 '16 • PAC-T-251 (5) Hot start (Cold draft prevention at heating) (a) Operating conditions When either one of following conditions is satisfied, the hot start control is performed. (i) From stop to heating operation (ii) From cooling to heating operation (iii) From heating thermostat OFF to ON (iv) After completing the defrost operation (only on units with thermostat ON) (b) Contents of operation...
  • Page 88 '20 • KX-T-347 '16 • PAC-T-251 (7) Auto swing control (FDTQ only) Note Even if [Auto Swing] is selected, the louver position with anti draft function is fixed to position 1. (a) RC-EX3A Louver control o operate the swing louver when the air-conditioner is operating, press the “Direction” button on the TOP screen of remote control.
  • Page 89 '20 • KX-T-347 '16 • PAC-T-251 (8) Thermostat operation (a) Cooling (i) Thermostat is operated with the room temperature control. (ii) Thermostat is turned ON or OFF relative to the set room temperature as shown below. Thermostat ON Temperature drop Thermostat OFF Temperature rise Set room temperature...
  • Page 90 '20 • KX-T-347 '16 • PAC-T-251 '16 • PAC-T-251 (d) Fan control during cooling thermostat OFF (d) Fan control during cooling thermostat OFF (i) Following fan controls during the cooling thermostat OFF can be selected with the indoor function setting of the wired (i) Following fan controls during the cooling thermostat OFF can be selected with the indoor function setting of the wired remote control.
  • Page 91 '20 • KX-T-347 (11) Drain pump control (Except FDUH) This control is operated when the inverter frequency is other than 0 Hz during the cooling operation and automatic cooling and dehumidifying operations. (b) Drain pump ON condition continues for 5 minutes even when it enters the OFF range according to (i) above after turning the drain pump ON, and then stops.
  • Page 92 the microcomputer of indoor unit become ineffective. (14) Cooling, dehumidifying frost protection To prevent frosting during cooling mode or dehumidifying mode operation, the of compressor speed is reduced if '20 • KX-T-347 the indoor heat exchanger temperature (detected with Thi-R) drops to 1.0 °C or lower at 4 minutes after the start of compressor operation.

  • Page 93: Blue Xr3

    '20 • KX-T-347 (b) Display to the remote control (i) Central or each remote control basis, heating preparation: the smallest unit No. among the operating units in the remote mode (or the center mode unless the remote mode is available) is displayed. (ii) Inspection display, filter sign: Any of unit that starts initially is displayed.

  • Page 94: Cnt 3

    White Blue '20 • KX-T-347 ■ Priority order for combinations of CnT and CnTA input. ■ Priority order for combinations of CnT and CnZ input. CnTA ① Operation ② Operation ③ Operation ④ Operation ⑤ Cooling/heating ⑥ Cooling/heating ⑦ Emergency ①...
  • Page 95 '20 • KX-T-347 (i) In case of “Level input” setting (Factory default) Input signal to CnT-6 or CnZ is OFF→ON …… unit ON Input signal to CnT-6 or CnZis ON→OFF …… unit OFF Operation is not inverted. CnT-6 or CnZ input CnT-6 or CnZ input Unit A Unit A...
  • Page 96 ① When card key switch is ON (Operation permission), the unit starts operation in conjunction with ON signal. and also start/stop operation of the unit from the wired remote control becomes available. ② When card key switch is OFF (Operation prohibition), the unit stops operation in conjunction with OFF signal, and '20 •...
  • Page 97 prohibition prohibition setting Operation Operation permission permission Operation permission/ Operation( ) prohibition zone prohibition '20 • KX-T-347 ( ※ ) Operation prohibition zone is determined by the OR judgment between CnT operation prohibition zone and CnZ '16 • PAC-T-251 operation prohibition zone. (21) Temporary stop input In case of CnT ③...
  • Page 98 '16 • PAC-T-251 '20 • KX-T-347 (c) If the cooling/heating selection signal is given by the external input, the operation mode is transmitted to the remote control. ■ Selection of cooling/heating external input function External input External input Operation selection method External input (CnT or CnZ)
  • Page 99 '20 • KX-T-347 (26) Branching control (Heat recovery 3-pipe combination systems only) (a) New control with new branching control (New Superlink control) Control by means of CnT2 (The compressor does not stop at the switching of heating/cooling.) CnT outputs – XR2: Heating output, XR3: Compressor ON thermostat output (b) Old control with new branching control (Old Superlink control) Control by means of CnT2 (The compressor stops at the switching of heating/cooling.) (c) Control of the branching control when the heating/cooling is switched with the CnT2 output...
  • Page 100 '20 • KX-T-347 (29) Energy-saving operation (RC-EX3A only) It operates with the setting temperature fixed at 28°C for cooling, 22°C for heating or 25°C for auto. When fan control in cooling/ heating thermo-OFF setting is “Set fan speed”, fan speed during thermo-OFF is changed to “Low”. (Maximum capacity is restricted at 80%.) (30) Warm-up control (RC-EX3A only) Operation will be started 5 to 60 minutes before use according to the forecast made by the microcomputer which calculates...
  • Page 101 '20 • KX-T-347 '16 • PAC-T-251 (37) Peak-cut timer (RC-EX3A only) Power consumption can be reduced by restricting the maximum capacity. Set the [Start time], the [End time] and the capacity limit % (Peak-cut %). ・ 4-operation patterns per day can be set at maximum. ・...
  • Page 102 '20 • KX-T-347 2. Setting details Number Button Function setting indicator Infrared sensor setting (Motion sensor setting) : Disable SILENT Infrared sensor setting (Motion sensor setting) : Enable Infrared sensor control (Motion sensor control) : Disable Infrared sensor control (Motion sensor control) : Power control only HI POWER Infrared sensor control (Motion sensor control) : Auto OFF only Infrared sensor control (Motion sensor control) : Power control and Auto OFF...

  • Page 103: System Troubleshooting Procedure

    '20 • KX-T-347 11. SYSTEM TROUBLESHOOTING PROCEDURE 11.1 Basics of troubleshooting Basic troubleshooting is to check/analyze/save data by connecting the Mente PC. Whenever arriving at the site, always connect the Mente PC before starting work. Method of error data analysis (Basic procedure) •...

  • Page 104: Contents Of Troubleshooting

    '20 • KX-T-347 '14 • KX-T-222 11.2 Contents of troubleshooting 9.2 Contents of troubleshooting (1) List of inspection displays (Indoor units) (a) List of inspection displays (indoor units) Remote control Name of inspection Classification Page error code None Operates but does not cool System error System error None...
  • Page 105 '20 • KX-T-347 (2) Troubleshooting Green Error code Content Keeps flashing Stays OFF None Indoor Operates but does not cool Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor fan operation. Check the temperature difference between return and suction air of indoor unit.
  • Page 106 '20 • KX-T-347 Green Content Error code Keeps flashing Stays OFF Indoor None Operates but does not heat Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check the indoor fan operation. Check the temperature difference between return and suction air of indoor unit.
  • Page 107 '20 • KX-T-347 Green Content Error code – – Indoor None Excessive noise/vibration (1/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure If excessive noise/vibration persists when sufficient time has elapsed after Does noise/ vibration occur during stopping the unit, it is or soon after stopping...

  • Page 108: Outdoor

    '20 • KX-T-347 Green Content Error code – – Indoor None Excessive noise/vibration (2/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page Rearrange the piping to Are the pipes avoid contact with the contacting with the casing.

  • Page 109: Outdoor

    '20 • KX-T-347 Green Content Error code – – Indoor None Excessive noise/vibration (3/3) Remote control: – – Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure From previous page If insufficient cooling/ [Adjustment heating problem happens during commissioning] due to anomalous operating Does noise/vibration occur when the conditions at cooling /...

  • Page 110: Outdoor

    '20 • KX-T-347 Green Louver motor failure Content Error code Keeps flashing Stays OFF Indoor None Remote control: (FDTQ only) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTQ series only Diagnosis Countermeasure L Check at the indoor unit side. Operate after waiting for more than 1 minute.
  • Page 111 '20 • KX-T-347 Green Error code Content Power source system anomaly Stays OFF Stays OFF Indoor Remote control: None (Power source to indoor unit PCB) Stays OFF 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure AC 220-240V detected between L-N on the outdoor terminal block?

  • Page 112: Brown

    '20 • KX-T-347 Green Error code Content Power source system error Keeps lighting Stays OFF Indoor Remote control: None (Power source to remote control) Keeps lighting 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Isn't there any Correct it.

  • Page 113: Outdoor Unit

    '20 • KX-T-347 Green Content Error code Keeps flashing Stays OFF Indoor WAIT Remote control: WAIT Keeps flashing Keeps flashing Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case that is kept WAIT on displaying on the remote control for more than 2 minutes is kept on WAIT...
  • Page 114 '20 • KX-T-347 Green Content Error code Keeps flashing Stays OFF Indoor Remote control: WAIT WAIT Keeps flashing Keeps flashing Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case of fuse blown, how to check the unit before replacement of fuse.) there any short-circuit between phases of noise...
  • Page 115 '20 • KX-T-347 Green Content Error code Keeps flashing Stays OFF Indoor Remote control: WAIT WAIT Keeps flashing Keeps flashing Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (No display on the remote control after power ON) No display on the remote control after power ON.
  • Page 116 '20 • KX-T-347 Green Content Error code Keeps flashing Stays OFF Indoor Remote control: WAIT WAIT Keeps flashing Keeps flashing Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case that is kept WAIT on displaying on the remote control for more than 2 minutes is kept on WAIT...
  • Page 117 '20 • KX-T-347 Green Content Error code Stays OFF Stays OFF Indoor Remote control: WAIT WAIT Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case that LED on outdoor unit control PCB stays OFF) In case that LED on outdoor unit control PCB stays OFF...
  • Page 118 '20 • KX-T-347 Green Content Error code Stays OFF Stays OFF Indoor Remote control: WAIT WAIT Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (In case of fuse blown, how to check the unit before replacement of fuse) From previous page.
  • Page 119 '20 • KX-T-347 Green Content Error code Stays OFF Stays OFF Indoor Remote control: [No display] [No display] Stays OFF Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure (No display on the remote control after power ON) No display on the remote control after power ON Is DC10V...
  • Page 120 '20 • KX-T-347 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: communication error Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is it possible to Malfunction by temporary reset normally by the power source reset? noise.
  • Page 121 '20 • KX-T-347 Green Content Error code Keeps flashing Keeps flashing Indoor Duplicated indoor unit address Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the number of Review number of connected indoor units up to 128 units? connected units.

  • Page 122: Outdoor

    '20 • KX-T-347 Green Content Error code Keeps flashing 2-time flash Indoor E3/5 Outdoor unit signal line error Remote control: Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E3 is a communication error that occurs when communication between indoor and outdoor units is not established at all.
  • Page 123 '20 • KX-T-347 Green Content Error code Keeps flashing *See below Indoor Communication error during operation Remote control: Keeps flashing 2-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure * In case that indoor red LED flashes 2 times Note (1) Check the connection (disconnection, looseness) of signal wires at outdoor terminal block.

  • Page 124: Indoor

    '20 • KX-T-347 Green Indoor heat exchanger Content Error code Keeps flashing 1-time flash Indoor Remote control: temperature sensor anomaly (Thi-R) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the connector of Insert the connector temperature sensor connected properly ? securely.

  • Page 125: Indoor

    '20 • KX-T-347 Green Indoor return air Content Error code Keeps flashing 1-time flash Indoor Remote control: temperature sensor anomaly (Thi-A) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the connector of Insert the connector temperature sensor connected securely.
  • Page 126 '20 • KX-T-347 Green Drain trouble Content Error code Keeps flashing 1-time flash Indoor Remote control: (FDTQ, FDUT only) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model FDTQ, FDUT series only Diagnosis Countermeasure Check the error data in the remote control. Is there any overflow? Is DC 12V detected at CNI...
  • Page 127 '20 • KX-T-347 Green Content Error code Excessive number of indoor units (more than 17 units) Keeps flashing Stays OFF Indoor Remote control: by controlling one remote control Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Are more...
  • Page 128 '20 • KX-T-347 Green Green Error code Content Content Error code Address setting error between Address setting error between Keeps flashing Stays OFF Indoor Remote control: Remote control: master and slave indoor units master and slave indoor units Indoor Keeps flashing Keeps flashing Keeps flashing Stays OFF Outdoor 5.
  • Page 129 '20 • KX-T-347 Green Content Error code Address setting error Keeps flashing Keeps flashing Indoor Remote control: by mixed setting method Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the automatic setting and Review address setting.
  • Page 130 '20 • KX-T-347 Green Content Error code Address setting error of Keeps flashing 1-ime flash Indoor Remote control: master and slave indoor units Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Is the address setting for the master indoor Correct the address setting of unit correct?

  • Page 131: Indoor Unit

    '20 • KX-T-347 Green Content Error code Indoor unit operation check, Keeps flashing 1-time flash Indoor Remote control: drain pump motor check mode anomaly Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure E19 occurs when the power ON Is SW7-1 Indoor control PCB...
  • Page 132 '20 • KX-T-347 Green Content Error code Remote control Keeps flashing Stays OFF Indoor Remote control: temperature sensor anomaly (Thc) Keeps flashing Stays OFF Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure the connector of Insert the connector temperature sensor connected securely.
  • Page 133 '20 • KX-T-347 Green Error code Content Keeps flashing Stays OFF Indoor Remote control: Emergency stop 7-segment display: Keeps flashing 1-time flash Outdoor 5. Troubleshooting 1. Applicable model All models Diagnosis Countermeasure Check and save the data of operating conditions. Save data for 30 minutes before stopping in Mente PC.

  • Page 134: Instruction Of How To Replace Pcb

    '20 • KX-T-347 11.3 Instruction of how to replace PCB PSB012D975M • FDTQ, FDUT, FDUH series SAFETY PRECAUTIONS Read the "SAFETY PRECAUTIONS" carefully first of all and then strictly follow it during the replacement in order to protect yourself. ● The precautionary items mentioned below are distinguished into two levels, WARNING and CAUTION.

  • Page 135: Indoor Pcb Setting

    '20 • KX-T-347 11.4 Indoor PCB setting 10.4 Indoor PCB setting Code Input Default setting Remark Indoor unit address No.(Order of 10) Indoor unit address No.(Order of 1) Outdoor unit address No.(Order of 10) Outdoor unit address No.(Order of 1) SW5-1 Superlink selection Automatic*/Previous SL...

  • Page 136: Option Parts

    '20 • KX-T-347 12. OPTION PARTS 12.1 Wireless kit (RCN-KIT4-E2) (1) Specification PJZ000Z323 Indoor unit terminal block Ｘ Ｙ White Black 0.3mm2･2-core O.D.φ5.0mm (Accessory 3m) REMOTE CONTROL SIGNAL RECEIVING SECTION Receives a signal from the remote control. CHECK MODE INDICATOR When an irregularity occurs, the indicator indicates the status of malfunction by symbol.
  • Page 137 '20 • KX-T-347 Installation precautions Do not install it on the following placesin order to avoid malfunction. (1) Places exposed to direct sunlight (2) Places near heat devices (3) High humidity places (4) Hot surface or cold surface enough to generate condensation (5) Places exposed to oil mist or steam directly (6) Uneven surface (7) Places affected by the direct airflow of the AC unit...
  • Page 138 PJZ012D112 '20 • KX-T-347 (2) Installation manual PJZ012D112 Safety precautions ●Please read this manual carefully before starting installation work to install the unit properly. Safety precautions Every one of the followings is important information to be observed strictly. WARNING Failure to follow these instructions properly may result in serious consequences ●Please read this manual carefully before starting installation work to install the unit properly.
  • Page 139 '20 • KX-T-347 WARNING ● Do not wash the unit with water. It could cause electric shocks, fire, or break-down. ● Use the specified cables for wiring, and connect them securely with care to protect electronic parts from external forces. Improper connections or fixing could cause heat generation, fire, etc.
  • Page 140 mark. It could cause electric shocks. '20 • KX-T-347 ② ③ Preparation before installation (continued) To change setting Master/Slave setting when using ⑤ Tak plural remote controls ⑥ Fit 1. Remove one screws located on the under of the receiver and detach the board.
  • Page 141 mark. '20 • KX-T-347 ③ How to install the receiver(continued) ⑤ Take out the connector to the backside from the hole of the lower case putting through the wiring at ①. ⑥ Fit the upper case and the lower case, and tighten the screws. (B) Installation with enclosed bracket Use this method when installaing onto a gypsum board (7 to 18mm), etc.
  • Page 142 '20 • KX-T-347 ③ ④ How to install the receiver (continued) Chan (C) Exposed installation How t Use the following procedure when installing the case with the wiring exposed. The A Cord clamp pump When Wiring remot Band (enclosed) Fix with band To dis button Hole...
  • Page 143 '20 • KX-T-347 ④ Wireless remote control (continued) Changing the wireless remote control setting How to change the Auto Run setting The Auto Run mode is not available on the building air-conditioner and gas heat pump series (excluding the cooling/heating free multi system). When using the wireless remote control to operate those models, set the wireless remote control to disable the Auto Run mode.

  • Page 144: Indoor Unit

    '20 • KX-T-347 ⑤ ⑤ Receiver (continued) For the shop series For VRF series, set the indoor unit address with SW1, SW2 and SW5-2 on the indoor unit PCB from [000] to [127] so as not to duplicate. Terminal block Indoor unit (1) Indoor unit (2) Indoor unit (16)
  • Page 145 [0] to [F] so as not to duplicate. Within 2.0 mm² × 600m '20 • KX-T-347 ⑤ Receiver (continued) The receivable area of the signal when the illuminance at the receiver is 300lux. The receivable area of the signal when the illuminance at the receiver is 600lux.

  • Page 146: Motion Sensor Kit (Lb-Kit2)

    '20 • KX-T-347 12.2 Motion sensor kit (LB-KIT2) (1) Specification PJZ000Z341 External dimensions Case of wiring out to the side face, cut thin wall part Case of wiring out to the back φ15 (Ciling hole) Wiring pass hole Switch box Lockscrew of cover Unit:mm Detectable area...
  • Page 147 '20 • KX-T-347 Installation precautions Do not install the motion sensor kit at the following places in order to avoid malfunction. (1) Places exposed to direct sunlight (2) Places near heat devices (3) High humidity places (4) Hot surface or cold surface enough to generate condensation (5) Places exposed to oil mist or steam directly (6) Uneven surface (7) Places affected by the direct air flow of the AC unit...

  • Page 148: Indoor Unit

    '20 • KX-T-347 (2) Installation manual PJZ012D134 WARNING ● Connect the wiring to the PCB in the control box on the indoor unit and hold the wiring securely so as not to apply unexpected stress on the PCB. ● Make sure the power source is turned off when electric wiring work. Otherwise, electric shock, malfunction and improper running may occur.
  • Page 149 '20 • KX-T-347 Installing the motion sensor • The recommended height is lower than 4000mm for motion sensor. When the installation height is higher, motion detection accuracy might be reduced. • Sensor will detect the object with a different temperature from the surrounding. •...
  • Page 150 '20 • KX-T-347 Option (A) Ceiling plane strength to install the motion sensor directly with screws. ① Prepare a relay wiring on site and lay out the wiring in advance. ② Remove the screw at the side of the motion sensor Relay wiring φ15 hole (prepare on site)
  • Page 151 '20 • KX-T-347 Option (B) screws. ① Remove the screw at the side of the motion sensor and slide the upper case in the direction of the arrow. ② (The same as of Option (A)) ② Pull the wiring of the motion sensor toward the side. Cut off the thinner part of the upper case. Lower case Thinner part Upper case...
  • Page 152 '20 • KX-T-347 ② Remove the screw at the side of the motion sensor and slide the upper case in the direction of the arrow. Lower case ② (The same as of Option (A)) ③ Pull the wiring of the motion sensor. ③...
  • Page 153 '20 • KX-T-347 <In the case of CnV2 connector on the indoor unit PCB> ① Connect the same color to the relay wiring (prepare on site) and the attached wiring <2>. ② Remove the control box cover from the indoor unit. ③...

  • Page 154: Indoor Unit

    '20 • KX-T-347 (3) User's manual PJZ012D134 SAFETY PRECAUTIONS WARNING ● If a child, person with disease or other persons needed for assist uses this product, people around the person should take sufficient care. A halt of the air-conditioner due to abnormal situation or motion sensor’s control may cause a feeling of sickness or accident.
  • Page 155 '20 • KX-T-347 Control setting (from eco touch remote control) ● Refer to the installation manual for eco touch remote control to activate the infrared sensor (motion sensor). TOP screen Menu _ Service setting _ Installation settings _ Service password ②...

  • Page 156: Simple Wired Remote Control (Rch-E3)

    '20 • KX-T-347 12.3 Simple wired remote control (RCH-E PJZ000Z272 Names and functions of sections Remote control sensor Operation/Inspection lamp ON/OFF button Button to start/stop the air-conditioner During operation: Green failure: Red MODE button Use to select the mode. FAN SPEED button Button to set the fan speed TEMP button Use to raise the setting temperature.
  • Page 157 '20 • KX-T-347 MITSUBISHI HEAVY INDUSTRIES,LTD. AIR-CONDITIONING & REFRIGERATION SYSTEMS HEADQUARTERS Remote control installation dimensions In case of embedding wiring Wall surface Wiring Wiring outlet Electrical box (In case of embedding wiring) （Prepare on site） 12×7 slot hole Installation hole 9×4.5 slot hole （2 places）...
  • Page 158 '20 • KX-T-347 3. Master/ s In case of exposing cord △ Simple Remote Control Installation Manual PJZ012D069 ⑴　 Make certain to remove a screw on the bottom surface of the ⑴　 Up to two r remote control. Read together with indoor unit's installation manual. WARNING ⑴...

  • Page 159: Indoor Unit

    '20 • KX-T-347 3. Master/ slave setting when more than one remote control are used ⑴　 Up to two remote controls can be connected to one unit (or one group) of indoor unit. Switch Setting Function detail Slave remote control Indoor unit SW1-1 Master remote control...
  • Page 160 ⑸　Connect the remote control cord to the terminal block. necessary at the wire 　　Connect the terminals (X and Y) of the remote control and the terminals (X and Y) of the indoor connecting section. Be careful about contact failure. unit. (No polarity of X and Y) 100 - 200m･････････････････0.5mm ×...
  • Page 161 ct failure. “88” blinks on the temperature setting indicator. (blinking for approximately 2 to 10 seconds while × 2 cores AIR CON No. data are read) Then, the return air temperature is displayed. When is pressed, return × 2 cores to the indoor unit selection display (example, “U 000”).

  • Page 162: Filter Kit (Fdut Series)

    '20 • KX-T-347 12.4 Filter kit (FDUT series) PJZ012D081 (1) Outlet duct plate PJZ012D081 ( i ) (ii) ( i ) (ii) (iii) (ii) (iii) (ii) ( i ) ( i )
  • Page 163 '20 • KX-T-347 (2) Filter set PJZ012D089 ( i ) (iv) ( i ) (ii) (iii) (iv)

  • Page 164: Filter Kit (Fduh Series)

    '20 • KX-T-347 12.5 Filter kit (FDUH series) PJC012D017A This manual contains installation points and operating instructions for the filter kit manufactured by MHI. Carry out the work following the instructions below. This manual also contains information on the usage after installation,so keep this manual properly with USER’S MANUAL provided with the indoor unit.
  • Page 165 '20 • KX-T-347 b) Stick the insulation on the bolh sides, leaxing no space up and down. ＜In case of rear air return＞ ＜In case of bottom air return＞ Insulation Insulation c) Install the air filter on the rails. ＜In case of rear air return＞ ＜In case of bottom air return＞...
  • Page 166 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

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